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Welcome to the Next.js documentation!

Next.js is a React framework for building full-stack web applications. You use React Components to build user interfaces, and Next.js for additional features and optimizations.

Under the hood, Next.js also abstracts and automatically configures tooling needed for React, like bundling, compiling, and more. This allows you to focus on building your application instead of spending time with configuration.

Whether you're an individual developer or part of a larger team, Next.js can help you build interactive, dynamic, and fast React applications.

Some of the main Next.js features include:

Feature

Description

A file-system based router built on top of Server Components that supports layouts, nested routing, loading states, error handling, and more.

Client-side and Server-side Rendering with Client and Server Components. Further optimized with Static and Dynamic Rendering on the server with Next.js. Streaming on Edge and Node.js runtimes.

Simplified data fetching with async/await in Server Components, and an extended fetch API for request memoization, data caching and revalidation.

Support for your preferred styling methods, including CSS Modules, Tailwind CSS, and CSS-in-JS

Image, Fonts, and Script Optimizations to improve your application's Core Web Vitals and User Experience.

Improved support for TypeScript, with better type checking and more efficient compilation, as well as custom TypeScript Plugin and type checker.

On the left side of the screen, you'll find the docs navbar. The pages of the docs are organized sequentially, from basic to advanced, so you can follow them step-by-step when building your application. However, you can read them in any order or skip to the pages that apply to your use case.

On the right side of the screen, you'll see a table of contents that makes it easier to navigate between sections of a page. If you need to quickly find a page, you can use the search bar at the top, or the search shortcut (Ctrl+K or Cmd+K).

To get started, checkout the Installation guide.

Next.js has two different routers: the App Router and the Pages Router. The App Router is a newer router that allows you to use React's latest features, such as Server Components and Streaming. The Pages Router is the original Next.js router, which allowed you to build server-rendered React applications and continues to be supported for older Next.js applications.

At the top of the sidebar, you'll notice a dropdown menu that allows you to switch between the App Router and the Pages Router features. Since there are features that are unique to each directory, it's important to keep track of which tab is selected.

The breadcrumbs at the top of the page will also indicate whether you're viewing App Router docs or Pages Router docs.

Although our docs are designed to be beginner-friendly, we need to establish a baseline so that the docs can stay focused on Next.js functionality. We'll make sure to provide links to relevant documentation whenever we introduce a new concept.

To get the most out of our docs, it's recommended that you have a basic understanding of HTML, CSS, and React. If you need to brush up on your React skills, check out our React Foundations Course, which will introduce you to the fundamentals. Then, learn more about Next.js by building a dashboard application.

For optimal accessibility when using a screen reader while reading the docs, we recommend using Firefox and NVDA, or Safari and VoiceOver.

If you have questions about anything related to Next.js, you're always welcome to ask our community on GitHub Discussions, Discord, Twitter, and Reddit.

Resumir
Next.js is a React framework for building full-stack web applications, providing features like routing, rendering, data fetching, styling, optimizations, and TypeScript support. The documentation is organized for easy navigation, with sequential pages from basic to advanced. Next.js offers two routers: the App Router for newer features and the Pages Router for older applications. Pre-requisite knowledge of HTML, CSS, and React is recommended. Accessibility tips are provided for screen reader users. Users can join the Next.js community on GitHub Discussions, Discord, Twitter, and Reddit for support and questions.